两毛钱,单晶VS多晶的生死战争(8)

两毛钱,单晶VS多晶的生死战争

18.5%18.6%18.7%18.8%18.9%19%19.1%19.2%19.3%19.4%19.5%19.6%19.7%19.8%19.9%20%

17.5%17.6%17.7%17.8%17.9%18%18.1%18.2%18.3%18.4%18.5%0.967250.9727770.9783040.9838310.9893580.9948851.0004121.005941.0114671.0169941.0225210.9620490.9675470.9730440.9785420.9840390.9895360.9950341.0005311.0060291.0115261.0170240.9569050.9518150.9467790.9417960.9368650.9319850.9271560.9223770.9176470.9129650.9083310.9037430.8992020.894706

0.9623730.9572540.9521890.9471770.9422180.9373110.9324540.9276480.9228910.9181820.9135210.9089080.904340.899818

0.9678410.9626930.9575990.9525590.9475720.9426370.9377520.9329190.9281340.9233990.9187120.9140720.9094780.904931

0.9733090.9681320.9630090.9579410.9529250.9479620.943050.9381890.9333780.9286160.9239020.9192360.9146170.910044

0.9787770.9735710.9684190.9633220.9582790.9532880.9483490.943460.9386220.9338330.9290930.92440.9197550.915156

0.9842450.9790090.973830.9687040.9636320.9586130.9536470.9487310.9438660.939050.9342830.9295650.9248930.920269

0.9897130.9844480.979240.9740860.9689860.9639390.9589450.9540020.9491090.9442670.9394740.9347290.9300320.925382

0.9951810.9898870.984650.9794670.9743390.9692650.9642430.9592720.9543530.9494840.9446640.9398930.935170.930494

1.0006490.9953260.990060.9848490.9796930.974590.9695410.9645430.9595970.9547010.9498550.9450570.9403080.935607

1.0061171.0007650.995470.9902310.9850460.9799160.9748390.9698140.964840.9599180.9550450.9502220.9454470.940719

1.0115851.0062041.000880.9956130.99040.9852420.9801370.9750840.9700840.9651350.9602350.9553860.9505850.945832

从表中可以看出，电池瓦数比小于1时说明同一张硅片单晶要比多晶的瓦数要多，只要单晶比多晶的转换效率高0.5%，就可以保持住瓦数优势。正常情况下，单晶和多晶如果同时做到一样的瓦数的电池片，两者的成本差在0.2元/片左右，这是无法消除硅片间的价格差，也无法消除两者的硅锭的加工差的。

所以未来的竞争同样面积的组件单晶最好能比多晶高出5%-10%，而电池转换效率的提升是和成本相关，在此不做详细讨论。

8